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--source include/not_embedded.inc
--source suite/perfschema_stress/include/settings.inc
let $have_table= `SELECT COUNT(*) FROM INFORMATION_SCHEMA.TABLES
WHERE TABLE_SCHEMA='test' AND TABLE_NAME='t1'`;
if (!$have_table) {
--source suite/perfschema_stress/t/setup.test
}
UPDATE performance_schema.setup_instruments SET TIMED = 'NO';
UPDATE performance_schema.setup_instruments SET ENABLED = 'NO';
UPDATE performance_schema.setup_timers
SET TIMER_NAME = 'NANOSECOND' WHERE NAME = 'Wait';
# Let it run some time with the new timer name and instruments
--sleep 1
UPDATE performance_schema.setup_timers
SET TIMER_NAME = 'CYCLE' WHERE NAME = 'Wait';
UPDATE performance_schema.setup_instruments SET TIMED = 'YES';
UPDATE performance_schema.setup_instruments SET ENABLED = 'YES'
WHERE NAME IN ('wait/io/file/sql/FRM',
'thread/sql/Connection',
'wait/synch/cond/sql/COND_mdl',
'wait/synch/rwlock/sql/LOCK_sys_init_connect',
'wait/synch/mutex/sql/LOCK_mdl');
# Two short lived changes to see that switching does not lead
# to havoc.
UPDATE performance_schema.setup_consumers SET ENABLED = 'NO'
WHERE NAME = 'events_waits_history';
UPDATE performance_schema.setup_consumers SET ENABLED = 'YES'
WHERE NAME = 'events_waits_history';
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